Electrode for arc furnaces

Details Electrode for arc furnaces Electrode for arc furnaces

1978-06-06

1981-03-17

Envall, Jr., Roy N.

13 15, 13 18C, H05B 706

Patent

active

042569184

ABSTRACT:
An electrode for electric arc furnaces, in particular for production of iron and steel, comprising a liquid-cooled upper portion, which may be inserted into an electrode holder, a lower portion forming the electrode tip being detachably fastened to the upper portion, which upper portion contains a conduit system for the cooling liquid protected by a fire-proof material, by way of which conduit system the electric current of the arc electrode may also be conducted. Heat conducting projections covered by the fire-proof material are provided on the outer surface of the conduit system facing the furnace chamber, while an electromagnet for producing a magnetic field is disposed in the region of the fastening point of the electrode tip to cause the arc on the electrode tip to move.

REFERENCES:
patent: 3368019 (1968-02-01), De Corso et al.
patent: 3385987 (1968-05-01), Wolf et al.
patent: 3392227 (1968-07-01), Ostberg
patent: 3634590 (1972-01-01), Inouye et al.
patent: 4121042 (1978-10-01), Prenn

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